Finding the Third Proportional to 63,974.81 and 139,294.69

Step by Step Solution

1. Step 1: Write the proportion equation
   63,974.81 : 139,294.69 = 139,294.69 : x
2. Step 2: Convert to fraction form
   63,974.81/139,294.69 = 139,294.69/x
3. Step 3: Cross multiply
   63,974.81x = 139,294.69 × 139,294.69
4. Step 4: Simplify right side
   63,974.81x = 19,403,009,965.72
5. Step 5: Solve for x
   x = 19,403,009,965.72/63,974.81
6. Step 6: Final answer
   x = 303,291.39